2011 GMC Sierra 2500 SLT Crew Cab 2WD Duramax with Allison Trans

DEF Delete and Tuned/Programmed. The way it’s done it still does pass AZ smog in certain counties where it’s required.

165,*** miles

Truck was bought brand new by a family friend in Cali and has stayed in the family until now. Only reason for selling now is my grandmother (84 years old) is having a harder time getting in and out.

Truck has a lot done…